Crankcase Oil Breather. We are an authorised distributor for Gates parts. Equivalent to Part Numbers: OE: 038103493A METZGER: 2380080 RAPRO: R2517…. If you order before 12PM we'll dispatch same day from our UK warehouse. For guaranteed next day delivery please select this option at checkout. This product comes with free 365-day no quibble returns (UK only).